Italy
Amalfi Coast & Campania · Tyrrhenian Sea

Fornillo Water Temperature & Swim Forecast

Quieter pebble cove west of Marina Grande.

Warm water with a light chop and a light breeze — great swimming conditions.

Sea temperature now
24.5°Chot
Excellent
Source: Open-Meteo Marine

Model estimate · modelled, not a buoy measurement. How accurate is this?

Air temperature
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Wave height
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Wind
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UV index
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Location

Fornillo on the map, with nearby beaches and live sea temperatures.

7-day forecast

Water, air, waves, wind and UV outlook for the week ahead.

Wetsuit recommendation

No wetsuit

At 24.5°C the water is warm enough to swim and surf in just a swimsuit or boardshorts.

Surf & watersports
Tropical-feel conditions. Most swimmers stay comfortable for an hour or more without thermal protection. UV exposure is the bigger risk — sunscreen and a rash vest are worth packing.
Open-water swimming
Open-water swims of 60+ minutes feel comfortable with no neoprene.

Recommendation tuned for Fornillo's current water temperature. Individual tolerance, wind chill, and session length all matter — when in doubt, size up.

Fornillo swimming conditions summary

Water temperature
24.5°C
Water feels
Warm
Swimmable today
Yes — comfortable for most swimmers
Swim conditions score
90/100 · Excellent
Wetsuit needed
No wetsuit
Air temperature
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Waves
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Wind
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UV index
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Average sea temperature (September)
24.0 °C
Warmest months to swim
July, August, September

At 24.5°C the water is warm enough to swim and surf in just a swimsuit or boardshorts. Model estimate. Water, wave, wind and UV values are Open-Meteo marine/weather model estimates, refreshed hourly — not buoy measurements.

Frequently asked questions

Can I swim at Fornillo right now?

The sea at Fornillo is currently 24.5°C — excellent swimming conditions. Most swimmers will find the water comfortable when it's above 22°C; below 18°C feels fresh and a wetsuit is recommended.

What will the sea temperature be at Fornillo next week?

Based on long-term September averages and the latest marine model, expect the sea around Fornillo to sit close to 21.9°C over the next 7 days. Check the live 7-day chart above for the exact daily outlook.

When is the best month to swim at Fornillo?

July – August – September are typically the warmest months to swim at Fornillo, with sea temperatures at their seasonal peak.

Do I need a wetsuit at Fornillo?

With water currently at 24.5°C: above 22°C no wetsuit needed; 18–22°C a shorty is comfortable for long swims; 14–18°C a 3/2mm full suit; below 14°C a 4/3mm or thicker.

Quick answer

Can I swim at Fornillo today?

The sea is currently 24.5°C — excellent swimming conditions. Most swimmers will find it pleasant.

Key takeaways
  • • Located in Amalfi Coast & Campania, Italy (Tyrrhenian Sea).
  • • Family friendly with calm, accessible water.
  • • Live data refreshed hourly from Open-Meteo Marine.

Monthly sea temperature averages

Tap any month to see what to expect — based on regional climatology.

13°C → 26°C· Current month outlined· “Best” = within 2°C of the annual peak

Best time to swim in Fornillo

The sea in Fornillo peaks in August, when the water averages around 26°C.

The main swimming season runs from June – October, when surface temperatures stay comfortable for extended sessions.

On average, 5 months a year sit above 20°C — the threshold most swimmers describe as pleasant without a wetsuit.

Shoulder months like May and November are noticeably cooler but often quieter, with fewer crowds and steadier weather.

Outside peak season the water drops toward 16°C, so a 3/2mm shorty or full wetsuit makes long swims much more comfortable.

The coldest month is typically February at around 13°C, when cold-water swimmers dominate the coast.

Fornillo sea temperature history

Long-term climatology for Fornillo shows an annual mean sea temperature of 19°C, ranging from 13°C in winter to 26°C at the summer peak.

The seasonal swing is roughly 13°C between the coldest and warmest month — a useful yardstick when comparing years or checking whether the current sea is running above or below average.

Recent decades have trended slightly warmer at Fornillo, in line with regional sea-surface temperature records for the wider basin.

Monthly averages below are drawn from multi-decadal climatology and are updated as new observations arrive.

Jan
14°C
Feb
13°C
Mar
14°C
Apr
16°C
May
19°C
Jun
23°C
Jul
25°C
Aug
26°C
Sep
24°C
Oct
21°C
Nov
18°C
Dec
15°C

Fornillo sea temperature: frequently asked questions

What is the warmest month to swim in Fornillo?

August is the warmest month in Fornillo, when the sea averages about 26°C. Late-season warmth often persists a few weeks after peak.

When is the sea coldest in Fornillo?

The coldest month in Fornillo is typically February, when the water averages around 13°C. Cold-water swimmers and surfers dominate this period.

When can you swim in Fornillo without a wetsuit?

The main swimming season in Fornillo runs from June – October — about 5 months a year when the sea sits above 20°C, the level most swimmers describe as pleasant without a wetsuit.

Do I need a wetsuit in Fornillo?

Outside peak summer the water in Fornillo drops toward 16°C, so a 3/2mm shorty or full wetsuit makes long swims much more comfortable. In peak months most swimmers go without.

What is the average sea temperature in Fornillo?

The long-term annual mean sea temperature in Fornillo is about 19°C, based on multi-decadal climatology of the surrounding waters.

How do I check the current sea temperature in Fornillo?

The live reading at the top of this page shows the current sea temperature in Fornillo, updated hourly from marine buoy and satellite data. The 7-day forecast covers water, air, waves, wind and UV for the week ahead.

Year-round sea temperature

Best swim months: Jun – Jul – Aug – Sep – Oct

MonthSeaComfort
Jan14°CBracing
Feb13°CCold
Mar14°CBracing
Apr16°CBracing
May19°CPleasant
Jun23°CWarm
Jul25°CWarm
Aug ⭐26°CHot
Sep24°CWarm
Oct21°CPleasant
Nov18°CPleasant
Dec15°CBracing

Nearby beaches

The closest coastline, with live water temperatures.